Trojan:Win32/Malex!rfn

Written by Robert Bailey

What is Trojan:Win32/Malex!rfn infection?

In this article you will discover about the interpretation of Trojan:Win32/Malex!rfn and its negative impact on your computer. Such ransomware are a kind of malware that is specified by on-line scams to require paying the ransom money by a target.

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In the majority of the instances, Trojan:Win32/Malex!rfn virus will certainly instruct its sufferers to start funds move for the objective of counteracting the modifications that the Trojan infection has presented to the sufferer’s tool.

Trojan:Win32/Malex!rfn Summary

These adjustments can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Executed a process and injected code into it, probably while unpacking;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the records located on the victim’s hard disk drive — so the victim can no more make use of the information;
  • Preventing regular accessibility to the target’s workstation;

Trojan:Win32/Malex!rfn

One of the most typical channels where Trojan:Win32/Malex!rfn Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of customer winding up on a resource that hosts a harmful software application;

As soon as the Trojan is successfully infused, it will either cipher the information on the target’s computer or avoid the gadget from operating in a correct manner – while additionally positioning a ransom note that points out the requirement for the targets to impact the settlement for the objective of decrypting the files or recovering the data system back to the first problem. In a lot of instances, the ransom note will come up when the customer reboots the COMPUTER after the system has actually currently been damaged.

Trojan:Win32/Malex!rfn distribution networks.

In various corners of the world, Trojan:Win32/Malex!rfn grows by jumps and bounds. Nonetheless, the ransom notes as well as techniques of obtaining the ransom money amount may vary relying on certain regional (local) setups. The ransom notes and also tricks of obtaining the ransom amount may differ depending on certain local (local) setups.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software.

    In particular areas, the Trojans often wrongfully report having actually spotted some unlicensed applications enabled on the victim’s device. The alert then requires the individual to pay the ransom money.

    Faulty statements regarding prohibited content.

    In countries where software program piracy is much less preferred, this method is not as reliable for the cyber frauds. Additionally, the Trojan:Win32/Malex!rfn popup alert may falsely declare to be deriving from a police establishment and will certainly report having located youngster pornography or other illegal information on the tool.

    Trojan:Win32/Malex!rfn popup alert may falsely claim to be acquiring from a legislation enforcement establishment as well as will certainly report having situated kid porn or other unlawful information on the tool. The alert will in a similar way have a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 0740F9EE
md5: 738c858d5747ef899ed34e33e200f105
name: 738C858D5747EF899ED34E33E200F105.mlw
sha1: dce34f5f1cf65bd54f638fb165b306a0500fce79
sha256: 00acaec5ae0a9bbce55358eff26af681852a6079c4260a18a55ea3cc2214b9f0
sha512: 0f1f9a4529682fad2dc1de0c8458d004cf0d69a412594e5c9c243d5bf0b70e8f465dc6d9f05bb48436a81f1febb22a35eb777d6b60d60962a9ebba0b6b0e6f34
ssdeep: 6144:LFFAiI58dg5lw54Drtw6Xv0lGEqMF06EORUlmBKQBp3S28stc3Fl:LF6iTROm6WCMjns28sSD
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Trojan:Win32/Malex!rfn also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Riskware ( 0040eff71 )
DrWeb Trojan.MulDrop2.39527
Cynet Malicious (score: 100)
ALYac Gen:Heur.Mint.Zard.1
Cylance Unsafe
Zillya Dropper.Dapato.Win32.12251
Sangfor Trojan.Win32.Generic.7523425
CrowdStrike win/malicious_confidence_60% (D)
Alibaba Ransom:Win32/Blocker.ad9bd9d4
K7GW Riskware ( 0040eff71 )
Cybereason malicious.d5747e
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Injector.RET
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Blocker.kxxb
BitDefender Gen:Heur.Mint.Zard.1
NANO-Antivirus Trojan.Win32.Inject1.crsvqd
ViRobot Backdoor.Win32.A.DarkKomet.681984[UPX]
MicroWorld-eScan Gen:Heur.Mint.Zard.1
Tencent Win32.Trojan-Dropper.Dapato.brts
Ad-Aware Gen:Heur.Mint.Zard.1
Sophos Mal/Generic-S
Comodo Malware@#1iqs5e1md8wpc
BitDefenderTheta Gen:NN.ZexaF.34692.rmGfa8!bIUoi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition GenericRXFP-AW!33F5AFD65738
FireEye Generic.mg.738c858d5747ef89
Emsisoft Gen:Heur.Mint.Zard.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanDropper.Injector.zte
Webroot W32.Trojan.Gen
Avira TR/Dropper.Gen
eGambit Generic.Malware
Antiy-AVL Trojan/Generic.ASMalwS.EDCA63
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Malex.gen!rfn
Arcabit Trojan.Mint.Zard.1
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm Trojan-Ransom.Win32.Blocker.kxxb
GData Gen:Heur.Mint.Zard.1
AhnLab-V3 Trojan/Win32.Gen
McAfee Artemis!738C858D5747
MAX malware (ai score=100)
VBA32 Trojan.Bublik
Panda Trj/Genetic.gen
Rising Dropper.Dapato!8.2A2 (CLOUD)
Yandex Trojan.GenAsa!ZQRw1yf/Q9w
Ikarus Trojan.Crypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Zusy.3127!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Trojan:Win32/Malex!rfn ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Trojan:Win32/Malex!rfn files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Trojan:Win32/Malex!rfn you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: http://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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